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GMC Truck
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1998
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Safari Van 2WD V6-4.3L VIN W
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Repair and Diagnosis
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Maintenance
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Service Intervals
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Routine Service
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Owner or Qualified Technician Inspections and Other Services
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At Least Once A Year
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Underbody Flushing
Underbody Flushing
UNDERBODY FLUSHING
At least every spring, use plain water to flush any corrosive materials from the underbody. Take care to thoroughly clean any areas where mud and other debris can collect.